1 /* 2 * bcmfw.c 3 * 4 * Copyright (c) 2003 Maksim Yevmenkin <m_evmenkin@yahoo.com> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $Id: bcmfw.c,v 1.4 2003/04/27 19:28:09 max Exp $ 29 * $FreeBSD$ 30 * 31 * Based on Linux BlueZ BlueFW-0.9 package 32 * 33 */ 34 35 #include <sys/types.h> 36 #include <sys/ioctl.h> 37 #include <dev/usb/usb.h> 38 #include <dev/usb/usb_ioctl.h> 39 #include <errno.h> 40 #include <fcntl.h> 41 #include <netgraph.h> 42 #include <stdarg.h> 43 #include <stdio.h> 44 #include <stdlib.h> 45 #include <string.h> 46 #include <syslog.h> 47 #include <unistd.h> 48 49 #define BCMFW "bcmfw" 50 #define BCMFW_INTR_EP 1 51 #define BCMFW_BULK_EP 2 52 #define BCMFW_BSIZE 4096 53 54 #define USB_VENDOR_BROADCOM 0x0a5c 55 #define USB_PRODUCT_BROADCOM_BCM2033 0x2033 56 57 static int bcmfw_check_device 58 (char const *name); 59 static int bcmfw_load_firmware 60 (char const *name, char const *md, char const *fw); 61 static void bcmfw_usage 62 (void); 63 64 /* 65 * Main 66 */ 67 68 int 69 main(int argc, char *argv[]) 70 { 71 char *name = NULL, *md = NULL, *fw = NULL; 72 int x; 73 74 while ((x = getopt(argc, argv, "f:hn:m:")) != -1) { 75 switch (x) { 76 case 'f': /* firmware file */ 77 fw = optarg; 78 break; 79 80 case 'n': /* name */ 81 name = optarg; 82 break; 83 84 case 'm': /* Mini-driver */ 85 md = optarg; 86 break; 87 88 case 'h': 89 default: 90 bcmfw_usage(); 91 /* NOT REACHED */ 92 } 93 } 94 95 if (name == NULL || md == NULL || fw == NULL) 96 bcmfw_usage(); 97 /* NOT REACHED */ 98 99 openlog(BCMFW, LOG_NDELAY|LOG_PERROR|LOG_PID, LOG_USER); 100 101 if (bcmfw_check_device(name) < 0) 102 exit(1); 103 104 if (bcmfw_load_firmware(name, md, fw) < 0) 105 exit(1); 106 107 closelog(); 108 109 return (0); 110 } /* main */ 111 112 /* 113 * Check device VendorID/ProductID 114 */ 115 116 static int 117 bcmfw_check_device(char const *name) 118 { 119 usb_device_descriptor_t desc; 120 char path[BCMFW_BSIZE]; 121 int fd = -1, error = -1; 122 123 snprintf(path, sizeof(path), "/dev/%s", name); 124 125 if ((fd = open(path, O_WRONLY)) < 0) { 126 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 127 path, strerror(errno), errno); 128 goto out; 129 } 130 131 if (ioctl(fd, USB_GET_DEVICE_DESC, &desc) < 0) { 132 syslog(LOG_ERR, "Could not ioctl(%d, %ld, %p). %s (%d)", 133 fd, USB_GET_DEVICE_DESC, &desc, 134 strerror(errno), errno); 135 goto out; 136 } 137 138 if (UGETW(desc.idVendor) != USB_VENDOR_BROADCOM || 139 UGETW(desc.idProduct) != USB_PRODUCT_BROADCOM_BCM2033) { 140 syslog(LOG_ERR, "Unsupported device, VendorID=%#x, " \ 141 "ProductID=%#x", UGETW(desc.idVendor), 142 UGETW(desc.idProduct)); 143 error = -1; 144 } else 145 error = 0; 146 out: 147 if (fd != -1) 148 close(fd); 149 150 return (error); 151 } /* bcmfw_check_device */ 152 153 /* 154 * Download minidriver and firmware 155 */ 156 157 static int 158 bcmfw_load_firmware(char const *name, char const *md, char const *fw) 159 { 160 char buf[BCMFW_BSIZE]; 161 int intr = -1, bulk = -1, fd = -1, error = -1, len; 162 163 /* Open interrupt endpoint device */ 164 snprintf(buf, sizeof(buf), "/dev/%s.%d", name, BCMFW_INTR_EP); 165 if ((intr = open(buf, O_RDONLY)) < 0) { 166 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 167 buf, strerror(errno), errno); 168 goto out; 169 } 170 171 /* Open bulk endpoint device */ 172 snprintf(buf, sizeof(buf), "/dev/%s.%d", name, BCMFW_BULK_EP); 173 if ((bulk = open(buf, O_WRONLY)) < 0) { 174 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 175 buf, strerror(errno), errno); 176 goto out; 177 } 178 179 /* 180 * Load mini-driver 181 */ 182 183 if ((fd = open(md, O_RDONLY)) < 0) { 184 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 185 md, strerror(errno), errno); 186 goto out; 187 } 188 189 for (;;) { 190 len = read(fd, buf, sizeof(buf)); 191 if (len < 0) { 192 syslog(LOG_ERR, "Could not read(%s). %s (%d)", 193 md, strerror(errno), errno); 194 goto out; 195 } 196 if (len == 0) 197 break; 198 199 len = write(bulk, buf, len); 200 if (len < 0) { 201 syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)", 202 name, BCMFW_BULK_EP, strerror(errno), 203 errno); 204 goto out; 205 } 206 } 207 208 close(fd); 209 fd = -1; 210 211 usleep(10); 212 213 /* 214 * Memory select 215 */ 216 217 if (write(bulk, "#", 1) < 0) { 218 syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)", 219 name, BCMFW_BULK_EP, strerror(errno), errno); 220 goto out; 221 } 222 223 if (read(intr, buf, sizeof(buf)) < 0) { 224 syslog(LOG_ERR, "Could not read(/dev/%s.%d). %s (%d)", 225 name, BCMFW_INTR_EP, strerror(errno), errno); 226 goto out; 227 } 228 229 if (buf[0] != '#') { 230 syslog(LOG_ERR, "%s: Memory select failed (%c)", name, buf[0]); 231 goto out; 232 } 233 234 /* 235 * Load firmware 236 */ 237 238 if ((fd = open(fw, O_RDONLY)) < 0) { 239 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 240 fw, strerror(errno), errno); 241 goto out; 242 } 243 244 for (;;) { 245 len = read(fd, buf, sizeof(buf)); 246 if (len < 0) { 247 syslog(LOG_ERR, "Could not read(%s). %s (%d)", 248 fw, strerror(errno), errno); 249 goto out; 250 } 251 if (len == 0) 252 break; 253 254 len = write(bulk, buf, len); 255 if (len < 0) { 256 syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)", 257 name, BCMFW_BULK_EP, strerror(errno), 258 errno); 259 goto out; 260 } 261 } 262 263 close(fd); 264 fd = -1; 265 266 if (read(intr, buf, sizeof(buf)) < 0) { 267 syslog(LOG_ERR, "Could not read(/dev/%s.%d). %s (%d)", 268 name, BCMFW_INTR_EP, strerror(errno), errno); 269 goto out; 270 } 271 272 if (buf[0] != '.') { 273 syslog(LOG_ERR, "%s: Could not load firmware (%c)", 274 name, buf[0]); 275 goto out; 276 } 277 278 usleep(500000); 279 error = 0; 280 out: 281 if (fd != -1) 282 close(fd); 283 if (bulk != -1) 284 close(bulk); 285 if (intr != -1) 286 close(intr); 287 288 return (error); 289 } /* bcmfw_load_firmware */ 290 291 /* 292 * Display usage message and quit 293 */ 294 295 static void 296 bcmfw_usage(void) 297 { 298 fprintf(stdout, 299 "Usage: %s -n name -m md_file -f fw_file\n" 300 "Where:\n" \ 301 "\t-n name device name\n" \ 302 "\t-m mini-driver image mini-driver image file name for download\n" \ 303 "\t-f firmware image firmware image file name for download\n" \ 304 "\t-h display this message\n", BCMFW); 305 306 exit(255); 307 } /* bcmfw_usage */ 308 309